package main

import (
	"fmt"
)

func f(from string){
	for i:=0;i<3;i++{
		fmt.Println(from,":",i)
	}
}

func main() {
	f("direct")

	go f("goroutine")

	go func(msg string) {
		fmt.Println(msg)
	}("going")

	var input string

	fmt.Scanln(&input)
	fmt.Println("done" )
}